#!/bin/bash

# findu8 - find files with invalid utf8 names
# Copyright © 2000-2006 by Pádraig Brady <P@draigBrady.com>.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the GNU General Public License for more details,
# which is available at www.gnu.org


# Notes:
#
# This is slow as it starts an iconv process per file,
# but it mitigates this by filtering out ascii only names beforehand.

script_dir=`dirname $0`                #directory of this script
script_dir=`readlink -f "$script_dir"` #Make sure absolute path

. $script_dir/supprt/fslver

Usage() {
	ProgName=`basename "$0"`
	echo "find names with invalid UTF8 encoding.
Usage: $ProgName [[-r] [-f] paths(s) ...]

If no path(s) specified then the currrent directory is assumed."
	exit
}

for arg
do
	case "$arg" in
	-h|--help|-help)
		Usage ;;
	-v|--version)
		Version ;;
	*)
		argsToPassOn="$argsToPassOn '$arg'" ;;
	esac
done

. $script_dir/supprt/getfpf "$argsToPassOn"

find "$@" -printf "$FPF\n" |
LANG=C grep -E '[^ -~]' | #filter out purely ASCII names
while read name; do
    echo "$name" | iconv --from=utf8 --to=utf8 >/dev/null 2>&1 || echo "$name"
done |
tr '\n' '\0' |
if [ ! -p /proc/self/fd/1 ]; then
    xargs -r0 ls -b1Ud --color=auto --
else
    cat
fi
